$A$ : Estuary constitutes one of the most productive ecosystem.
$R$ : It represents transition zone between two populations of a species.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
The main aim of ‘Earth Summit’ organised at Brazil was
Ozone hole means
Name the term used to describe a single dominant species that dictates community structure
Group of two or more than two plant species is called as
The species of plants that play a vital role in controlling the relative abundance of other species in a community are called